Twenty years of romance make a woman look like a ruin; but twenty years of marriages make her look like a public building.
领导力就是让他人因为你的存在而变得更好，并确保这种影响在你离开后依然持续。
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.
The only real wealth is the wealth of the soul.